64 citations · 71 across the 4 of their papers we have counts for
1 paper · 1 filter
Tian Xie, Guan-Hua Tu, Bangjie Yin +5
Since 2016, all of four major U.S. operators have rolled out nationwide Wi-Fi calling services. They are projected to surpass VoLTE (Voice over LTE) and other VoIP services in term…